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Imperial Timing Belts

Imperial timing belts (also known as inch pitch timing belts) feature moulded teeth spaced according to inch measurements rather than millimetres. These belts must be paired with matching imperial timing pulleys to ensure correct meshing and performance.

At ACORN®, we supply a comprehensive range of imperial timing belts in stock and available to buy online today, with fast UK and worldwide delivery.

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121-140 of 310 products

121-140 of 310 products

PHG 210-XL-037, SKF, Synchronous Imperial Timing Belt - PHG 210-XL-037

Imperial, Rubber, Timing belt, EAN code: 07316572596227

Brand	SKF
Mfr Part No.	PHG 210-XL-037

$2.52

Despatched in 1-2 days

210-XL-037, Gates, PowerGrip® Imperial Timing Belt - 9257-22021

Imperial, Rubber, Timing belt, EAN code: 5412571224399

Brand	Gates
Mfr Part No.	210-XL-037

$4.92

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210-XL-037, Optibelt, ZR Imperial Timing Belt

Imperial, Rubber, Timing belt

Brand	Optibelt
Mfr Part No.	210-XL-037

$6.15

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212-XL-037, ContiTech, CONTI® SYNCHROBELT Imperial Timing Belt

Imperial, Rubber, Timing belt, EAN code: 4051817009966

Brand	ContiTech
Mfr Part No.	212-XL-037

$3.61

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212-XL-037, Gates, PowerGrip® Imperial Timing Belt - 9277-54001

Imperial, Rubber, Timing belt, EAN code: 5412571263596

Brand	Gates
Mfr Part No.	212-XL-037

$4.87

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200-XL-037, Gates, PowerGrip® Imperial Timing Belt - 9257-22020

Imperial, Rubber, Timing belt, EAN code: 5412571224382

Brand	Gates
Mfr Part No.	200-XL-037

$4.80

In stock ( * cut from sleeve )

200-XL-037, Optibelt, ZR Imperial Timing Belt

Imperial, Rubber, Timing belt

Brand	Optibelt
Mfr Part No.	200-XL-037

$6.05

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202-XL-037, ContiTech, CONTI® SYNCHROBELT Imperial Timing Belt

Imperial, Rubber, Timing belt, EAN code: 4051817009904

Brand	ContiTech
Mfr Part No.	202-XL-037

$3.49

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202-XL-037, Gates, PowerGrip® Imperial Timing Belt - 9277-42549

Imperial, Rubber, Timing belt, EAN code: 5414465078002

Brand	Gates
Mfr Part No.	202-XL-037

$4.81

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204-XL-037, Gates, PowerGrip® Imperial Timing Belt - 9277-52547

Imperial, Rubber, Timing belt, EAN code: 5412571255799

Brand	Gates
Mfr Part No.	204-XL-037

$4.87

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Add to basket

208-XL-037, Gates, PowerGrip® Imperial Timing Belt - 9277-53999

Imperial, Rubber, Timing belt, EAN code: 5412571263572

Brand	Gates
Mfr Part No.	208-XL-037

$4.87

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Add to basket

228-XL-037, ContiTech, CONTI® SYNCHROBELT Imperial Timing Belt

Imperial, Rubber, Timing belt, EAN code: 4051817010054

Brand	ContiTech
Mfr Part No.	228-XL-037

$3.68

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228-XL-037, Gates, PowerGrip® Imperial Timing Belt - 9277-52621

Imperial, Rubber, Timing belt, EAN code: 5412571256215

Brand	Gates
Mfr Part No.	228-XL-037

$5.16

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214-XL-037, ContiTech, CONTI® SYNCHROBELT Imperial Timing Belt

Imperial, Rubber, Timing belt, EAN code: 4051817009997

Brand	ContiTech
Mfr Part No.	214-XL-037

$3.62

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214-XL-037, Gates, PowerGrip® Imperial Timing Belt - 9277-42552

Imperial, Rubber, Timing belt, EAN code: 5414465078033

Brand	Gates
Mfr Part No.	214-XL-037

$4.92

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220-XL-037, Optibelt, ZR Imperial Timing Belt

Imperial, Rubber, Timing belt

Brand	Optibelt
Mfr Part No.	220-XL-037

$6.15

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Despatch date information is on request.

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230-XL-037, ContiTech, CONTI® SYNCHROBELT Imperial Timing Belt

Imperial, Rubber, Timing belt, EAN code: 4051817010085

Brand	ContiTech
Mfr Part No.	230-XL-037

$3.68

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230-XL-037, Gates, PowerGrip® Imperial Timing Belt - 9257-22023

Imperial, Rubber, Timing belt, EAN code: 5412571224412

Brand	Gates
Mfr Part No.	230-XL-037

$5.20

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230-XL-037, Optibelt, ZR Imperial Timing Belt

Imperial, Rubber, Timing belt

Brand	Optibelt
Mfr Part No.	230-XL-037

$6.15

Available to back order What does this mean?

This item is not currently available from our stocks.

Despatch date information is on request.

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108-XL-037, Gates, PowerGrip® Imperial Timing Belt - 9277-40506

Imperial, Rubber, Timing belt, EAN code: 5412571233964

Brand	Gates
Mfr Part No.	108-XL-037

$3.59

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Common imperial pitches include

MXL
XL
L
H
XH
XXH

Each pitch is designed for specific torque and load capacities, making correct selection essential.

Key Benefits

Positive drive with zero slippage
Precise shaft synchronisation
High efficiency power transmission
Reduced maintenance compared to chain drives
Smooth, low-noise operation
Long service life

Imperial synchronous belts are widely used where consistent positioning and repeatability are critical.

Available Sizes & Specifications

When selecting an imperial timing belt, key factors include:

Pitch type (e.g., XL, L, H)
Belt length (in inches)
Belt width (in inches)
Tooth profile
Construction material (neoprene, polyurethane)
Tensile reinforcement type

If you have an existing belt code, it typically includes pitch and length information for easy identification.

Imperial Timing Belts FAQs

Are imperial and metric timing belts interchangeable?

No. Imperial belts use inch-based pitch measurements, while metric belts use millimetres (e.g., 5M, 8M, 14M). They are not interchangeable, even if they appear similar in size.

How do I identify my imperial timing belt size?

You will need to confirm:

Belt pitch (e.g., XL, L, H)
Belt length (in inches)
Belt width (in inches)

Most belts have a printed code that includes this information. If the marking is worn, measuring tooth pitch and belt length can help determine the correct replacement.

What causes imperial timing belts to fail?

Common causes of failure include:

Incorrect belt tension
Pulley misalignment
Overloading
Contamination from oil or debris
Mixing metric and imperial components

Routine inspection and proper installation significantly extend belt life.

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